Incidental Mutation 'PIT4362001:Polr1b'
ID 554602
Institutional Source Beutler Lab
Gene Symbol Polr1b
Ensembl Gene ENSMUSG00000027395
Gene Name polymerase (RNA) I polypeptide B
Synonyms Rpo1-2, RPA116, 128kDa, RPA2, D630020H17Rik
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4362001 (G1)
Quality Score 139.008
Status Not validated
Chromosome 2
Chromosomal Location 128942915-128968514 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 128951212 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 275 (D275G)
Ref Sequence ENSEMBL: ENSMUSP00000099494 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000028874] [ENSMUST00000103205]
AlphaFold P70700
Predicted Effect probably damaging
Transcript: ENSMUST00000028874
AA Change: D275G

PolyPhen 2 Score 0.960 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000028874
Gene: ENSMUSG00000027395
AA Change: D275G

DomainStartEndE-ValueType
Pfam:RNA_pol_Rpb2_1 37 437 4.6e-35 PFAM
Pfam:RNA_pol_Rpb2_2 186 375 8.9e-14 PFAM
Pfam:RNA_pol_Rpb2_3 455 521 1.4e-28 PFAM
Pfam:RNA_pol_Rpa2_4 563 621 3.6e-25 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000103205
AA Change: D275G

PolyPhen 2 Score 0.842 (Sensitivity: 0.83; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000099494
Gene: ENSMUSG00000027395
AA Change: D275G

DomainStartEndE-ValueType
Pfam:RNA_pol_Rpb2_1 37 423 1.7e-35 PFAM
Pfam:RNA_pol_Rpb2_2 186 375 3.2e-11 PFAM
Pfam:RNA_pol_Rpb2_3 455 520 2.1e-29 PFAM
Pfam:RNA_pol_Rpa2_4 563 621 4.1e-23 PFAM
Pfam:RNA_pol_Rpb2_6 670 1031 9.7e-118 PFAM
Pfam:RNA_pol_Rpb2_7 1033 1135 1.2e-22 PFAM
Coding Region Coverage
  • 1x: 93.4%
  • 3x: 91.2%
  • 10x: 87.0%
  • 20x: 78.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Eukaryotic RNA polymerase I (pol I) is responsible for the transcription of ribosomal RNA (rRNA) genes and production of rRNA, the primary component of ribosomes. Pol I is a multisubunit enzyme composed of 6 to 14 polypeptides, depending on the species. Most of the mass of the pol I complex derives from the 2 largest subunits, Rpa1 and Rpa2 in yeast. POLR1B is homologous to Rpa2 (Seither and Grummt, 1996 [PubMed 8921381]).[supplied by OMIM, Mar 2008]
PHENOTYPE: Mice homozygous for a gene trapped allele exhibit embryonic lethality prior to implantation. [provided by MGI curators]
Allele List at MGI

All alleles(18) : Gene trapped(18)

Other mutations in this stock
Total: 71 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcg1 T C 17: 31,283,398 (GRCm39) S28P possibly damaging Het
Akr1c14 T C 13: 4,129,100 (GRCm39) V165A probably damaging Het
Aox1 A T 1: 58,321,839 (GRCm39) T44S probably damaging Het
Arhgap29 T A 3: 121,796,861 (GRCm39) N482K probably benign Het
Arhgef38 T A 3: 132,866,591 (GRCm39) D182V Het
Atad5 C T 11: 80,002,393 (GRCm39) H1062Y probably benign Het
Atp6v0b A G 4: 117,742,453 (GRCm39) S147P possibly damaging Het
Cblb T A 16: 51,959,905 (GRCm39) Y299* probably null Het
Ccdc28b T C 4: 129,514,818 (GRCm39) N97S probably benign Het
Cdh23 A G 10: 60,301,237 (GRCm39) V479A probably benign Het
Chuk A G 19: 44,087,022 (GRCm39) probably null Het
Cmtr2 G A 8: 110,948,968 (GRCm39) G426D probably damaging Het
Cog4 G A 8: 111,593,304 (GRCm39) D472N probably damaging Het
Creb3 T A 4: 43,565,472 (GRCm39) L193* probably null Het
Cxcr6 A T 9: 123,639,526 (GRCm39) I183F probably benign Het
Dbf4 A G 5: 8,453,664 (GRCm39) F253L probably benign Het
Dcaf8 T C 1: 172,000,364 (GRCm39) V174A probably damaging Het
Ddhd2 T C 8: 26,225,779 (GRCm39) Y526C probably damaging Het
Dnal4 A G 15: 79,647,766 (GRCm39) V33A probably benign Het
Egfl7 C T 2: 26,481,052 (GRCm39) P188L probably benign Het
Ephb3 A G 16: 21,039,607 (GRCm39) E707G probably damaging Het
Epn3 C T 11: 94,387,349 (GRCm39) R7H probably damaging Het
Fbp1 T A 13: 63,015,194 (GRCm39) I262F probably damaging Het
Fgfbp3 G A 19: 36,896,088 (GRCm39) R177* probably null Het
Gask1b C A 3: 79,794,246 (GRCm39) S238Y possibly damaging Het
Gbp5 T C 3: 142,206,471 (GRCm39) S52P probably damaging Het
Glb1l2 A T 9: 26,685,277 (GRCm39) S282T probably benign Het
Glg1 A T 8: 111,985,431 (GRCm39) V133E possibly damaging Het
Gm4787 T G 12: 81,423,949 (GRCm39) L736F probably benign Het
Gm5565 A T 5: 146,095,109 (GRCm39) S212R probably benign Het
Grin2c T C 11: 115,140,459 (GRCm39) T1220A probably benign Het
Grp T G 18: 66,019,297 (GRCm39) S133A probably benign Het
Gstp2 C A 19: 4,090,713 (GRCm39) D147Y possibly damaging Het
Igkv14-130 T C 6: 67,768,392 (GRCm39) F84L probably damaging Het
Inppl1 T C 7: 101,475,220 (GRCm39) R944G probably benign Het
Lama2 A T 10: 27,245,132 (GRCm39) N216K probably damaging Het
Lrp2 T A 2: 69,367,882 (GRCm39) D210V probably damaging Het
Lrrc2 A T 9: 110,791,608 (GRCm39) Q120L possibly damaging Het
Lrriq1 A G 10: 102,907,055 (GRCm39) I1555T probably benign Het
Map2 G A 1: 66,451,677 (GRCm39) G189D probably benign Het
Mdc1 A G 17: 36,155,361 (GRCm39) E12G possibly damaging Het
Mdga2 T C 12: 66,844,542 (GRCm39) D152G possibly damaging Het
Med23 A G 10: 24,750,469 (GRCm39) M99V probably benign Het
Mutyh G A 4: 116,674,267 (GRCm39) V273M probably damaging Het
Neurod2 T A 11: 98,218,708 (GRCm39) Y152F probably damaging Het
Or5d3 C T 2: 88,174,357 (GRCm39) A247T probably benign Het
Or5g25 A C 2: 85,478,068 (GRCm39) L199R probably damaging Het
Or8c20 G T 9: 38,260,494 (GRCm39) L32F probably benign Het
Pcdh20 G C 14: 88,704,462 (GRCm39) P946R probably damaging Het
Pde6b T C 5: 108,571,451 (GRCm39) probably null Het
Pdzrn4 A T 15: 92,667,762 (GRCm39) D638V possibly damaging Het
Rnf157 T A 11: 116,251,143 (GRCm39) D127V probably damaging Het
Rspo4 T A 2: 151,709,803 (GRCm39) C69* probably null Het
Scara3 T C 14: 66,173,851 (GRCm39) T63A probably benign Het
Scn2a G A 2: 65,514,182 (GRCm39) E289K probably benign Het
Sh3gl2 A G 4: 85,295,786 (GRCm39) T163A probably benign Het
Slc2a10 T A 2: 165,358,213 (GRCm39) F446Y probably damaging Het
Snapc1 C T 12: 74,029,269 (GRCm39) R351C probably damaging Het
Snx6 A G 12: 54,814,815 (GRCm39) Y169H possibly damaging Het
Stab2 A T 10: 86,697,299 (GRCm39) C1996* probably null Het
Steap4 A G 5: 8,030,337 (GRCm39) T398A probably benign Het
Tep1 A T 14: 51,103,510 (GRCm39) L260Q probably benign Het
Tspan12 A T 6: 21,835,463 (GRCm39) V70D possibly damaging Het
Ttn G A 2: 76,569,362 (GRCm39) A27177V probably damaging Het
Ube3a T C 7: 58,925,870 (GRCm39) V237A possibly damaging Het
Vil1 G A 1: 74,460,542 (GRCm39) R233H probably damaging Het
Xrcc5 A G 1: 72,433,088 (GRCm39) T716A probably benign Het
Zbp1 A G 2: 173,058,783 (GRCm39) I18T probably damaging Het
Zfp292 A G 4: 34,807,524 (GRCm39) V1845A probably benign Het
Zfp407 A T 18: 84,579,393 (GRCm39) N573K possibly damaging Het
Zfp64 T C 2: 168,767,735 (GRCm39) T626A probably benign Het
Other mutations in Polr1b
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00489:Polr1b APN 2 128,967,829 (GRCm39) missense probably damaging 1.00
IGL00559:Polr1b APN 2 128,955,651 (GRCm39) missense probably damaging 1.00
IGL00659:Polr1b APN 2 128,960,020 (GRCm39) critical splice donor site probably null
IGL00672:Polr1b APN 2 128,967,392 (GRCm39) missense probably damaging 1.00
IGL01066:Polr1b APN 2 128,961,072 (GRCm39) missense probably damaging 1.00
IGL01536:Polr1b APN 2 128,967,475 (GRCm39) missense probably benign 0.00
IGL01596:Polr1b APN 2 128,952,046 (GRCm39) missense probably benign 0.38
IGL02156:Polr1b APN 2 128,965,799 (GRCm39) missense probably benign 0.40
IGL02398:Polr1b APN 2 128,944,886 (GRCm39) missense probably benign 0.03
IGL02797:Polr1b APN 2 128,944,899 (GRCm39) missense probably damaging 0.99
IGL02965:Polr1b APN 2 128,967,443 (GRCm39) missense probably benign 0.41
IGL03009:Polr1b APN 2 128,967,988 (GRCm39) missense probably damaging 1.00
IGL03092:Polr1b APN 2 128,965,049 (GRCm39) missense probably damaging 1.00
IGL03129:Polr1b APN 2 128,957,627 (GRCm39) missense probably benign 0.00
IGL03138:Polr1b UTSW 2 128,944,908 (GRCm39) missense probably benign 0.04
R0038:Polr1b UTSW 2 128,957,588 (GRCm39) nonsense probably null
R0038:Polr1b UTSW 2 128,957,588 (GRCm39) nonsense probably null
R0989:Polr1b UTSW 2 128,967,997 (GRCm39) missense probably damaging 0.97
R1508:Polr1b UTSW 2 128,955,654 (GRCm39) missense probably benign 0.24
R1539:Polr1b UTSW 2 128,960,019 (GRCm39) critical splice donor site probably null
R1700:Polr1b UTSW 2 128,965,041 (GRCm39) missense probably damaging 0.99
R1843:Polr1b UTSW 2 128,944,886 (GRCm39) missense probably benign 0.03
R1920:Polr1b UTSW 2 128,943,031 (GRCm39) missense probably benign 0.00
R2414:Polr1b UTSW 2 128,945,054 (GRCm39) splice site probably benign
R3020:Polr1b UTSW 2 128,957,601 (GRCm39) missense probably benign 0.01
R3837:Polr1b UTSW 2 128,961,027 (GRCm39) missense possibly damaging 0.78
R4466:Polr1b UTSW 2 128,965,802 (GRCm39) missense probably benign 0.03
R4773:Polr1b UTSW 2 128,947,248 (GRCm39) missense probably benign 0.29
R4789:Polr1b UTSW 2 128,951,257 (GRCm39) missense probably benign 0.00
R5027:Polr1b UTSW 2 128,965,803 (GRCm39) missense possibly damaging 0.94
R5579:Polr1b UTSW 2 128,952,028 (GRCm39) missense probably damaging 1.00
R5705:Polr1b UTSW 2 128,947,271 (GRCm39) nonsense probably null
R6303:Polr1b UTSW 2 128,957,682 (GRCm39) missense probably damaging 1.00
R6313:Polr1b UTSW 2 128,967,366 (GRCm39) missense probably damaging 1.00
R6427:Polr1b UTSW 2 128,965,181 (GRCm39) missense probably damaging 0.99
R6677:Polr1b UTSW 2 128,962,131 (GRCm39) intron probably benign
R7033:Polr1b UTSW 2 128,957,562 (GRCm39) missense possibly damaging 0.82
R7163:Polr1b UTSW 2 128,967,931 (GRCm39) missense probably benign 0.44
R7184:Polr1b UTSW 2 128,965,842 (GRCm39) missense possibly damaging 0.94
R7376:Polr1b UTSW 2 128,960,993 (GRCm39) missense probably benign 0.00
R7453:Polr1b UTSW 2 128,967,583 (GRCm39) missense probably damaging 1.00
R7545:Polr1b UTSW 2 128,959,766 (GRCm39) splice site probably null
R7770:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7772:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7774:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7776:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7777:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7814:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7825:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7826:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7827:Polr1b UTSW 2 128,967,464 (GRCm39) missense probably damaging 1.00
R7828:Polr1b UTSW 2 128,947,200 (GRCm39) missense probably damaging 1.00
R7959:Polr1b UTSW 2 128,950,014 (GRCm39) missense probably damaging 1.00
R8082:Polr1b UTSW 2 128,957,652 (GRCm39) missense probably benign 0.18
R8251:Polr1b UTSW 2 128,965,086 (GRCm39) missense probably damaging 1.00
R8696:Polr1b UTSW 2 128,967,571 (GRCm39) missense probably damaging 1.00
R8711:Polr1b UTSW 2 128,943,064 (GRCm39) missense probably damaging 0.99
R8746:Polr1b UTSW 2 128,954,597 (GRCm39) missense possibly damaging 0.70
R8823:Polr1b UTSW 2 128,967,457 (GRCm39) missense probably damaging 1.00
R8872:Polr1b UTSW 2 128,957,613 (GRCm39) missense probably damaging 1.00
R8901:Polr1b UTSW 2 128,967,595 (GRCm39) missense probably damaging 1.00
R8963:Polr1b UTSW 2 128,957,576 (GRCm39) missense probably benign
R9488:Polr1b UTSW 2 128,967,417 (GRCm39) missense probably damaging 1.00
R9499:Polr1b UTSW 2 128,957,684 (GRCm39) nonsense probably null
R9550:Polr1b UTSW 2 128,962,205 (GRCm39) missense unknown
R9551:Polr1b UTSW 2 128,957,684 (GRCm39) nonsense probably null
Predicted Primers PCR Primer
(F):5'- GGCATTAAGGTTATGAGAGGCTC -3'
(R):5'- ACATACTTAAGCAGGAACTCGG -3'

Sequencing Primer
(F):5'- TTATGAGAGGCTCAGTGCAGC -3'
(R):5'- TAAGCAGGAACTCGGCAGCTTC -3'
Posted On 2019-06-07